241) The type of pile which is driven at an inclination to resist inclined forces is known as

242) The minimum depth of foundation in clayey soils is

243) The maximum total settlement for raft foundation on clayey soils should be limited to

244) The bearing capacity of a water logged soil can be improved by

245) The type of flooring suitable for use in churches, theatres, public libraries and other places where noiseless floor covering is desired is